@misc{indiciaedfb0a4e9c3b1,
  title = {[Pulse rate changes in students during lectures].},
  author = {J Joachimsthaler and P Zampa},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5540134/},
  note = {Source identifier: 5540134}
}